KOVAR (Fe-Ni-Co alloy) has the characteristic of low-thermal expansion, oftenly used for holding optical fiber (ferrule). KOVAR is one of difficult-machining material, we precedingly established technology of drawing KOVAR tube, and machining process, and supply for optical device manufacturers all over the world.
|NIPPON TOKUSHUKAN MFG. CO., LTD.|
|[ Head Office and Factories ]
2-3625 Saijo-cho, Tondabayasi-city,Osaka 584-0015 (TEL)0721-98-2121 (FAX)0721-98-3402
[ Tokyo Branch Office ]
Kinoshige bldg. 1-10-3 Iwamotocho,Chiyoda-ku,Tokyo 101-0032 (TEL)03-3863-4561 (FAX)03-3863-5963